Datasheet
Typical Operating Characteristics
(MAX9984 Typical Application Circuit, using component values in Table 1, V
CC
= +5.0V, P
LO
= 0dBm, P
RF
= -5dBm, f
RF
> f
LO
, f
IF
=
160MHz, unless otherwise noted.)
6
7
9
8
10
11
700 800
900 1000
1100
CONVERSION GAIN vs. RF FREQUENCY
MAX9984 toc01
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
T
C
= +85°C
T
C
= -25°C
T
C
= -40°C
T
C
= +25°C
6
7
9
8
10
11
700 800
900 1000
1100
CONVERSION GAIN vs. RF FREQUENCY
MAX9984 toc02
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
P
LO
= -3dBm, 0dBm, +3dBm
6
7
9
8
10
11
700 800
900 1000
1100
CONVERSION GAIN vs. RF FREQUENCY
MAX9984 toc03
RF FREQUENCY (MHz)
CONVERSION GAIN (dB)
V
CC
= 4.75V, 5.0V, 5.25V
20
22
21
24
23
26
25
27
INPUT IP3 vs. RF FREQUENCY
MAX9984 toc04
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
700 800 900 1000 1100
T
C
= +85°C
T
C
= -25°C
T
C
= -40°C
T
C
= +25°C
20
22
21
24
23
26
25
27
INPUT IP3 vs. RF FREQUENCY
MAX9984 toc05
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
700 800 900 1000 1100
P
LO
= -3dBm, 0dBm, +3dBm
19
21
20
23
22
25
24
26
INPUT IP3 vs. RF FREQUENCY
MAX9984 toc06
RF FREQUENCY (MHz)
INPUT IP3 (dBm)
700 800 900 1000 1100
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
5
8
7
6
10
11
9
12
700 800 900 1000
NOISE FIGURE vs. RF FREQUENCY
MAX9984 toc07
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
T
C
= -25°C
5
7
6
10
11
9
8
12
700 800 900 1000
NOISE FIGURE vs. RF FREQUENCY
MAX9984 toc08
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
P
LO
= -3dBm, 0dBm, +3dBm
5
7
6
10
11
9
8
12
700 800 900 1000
NOISE FIGURE vs. RF FREQUENCY
MAX9984 toc09
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
V
CC
= 4.75V, 5.0V, 5.25V
MAX9984
SiGe High-Linearity, 400MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
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